<template>
  <section>
    <!--工具条：高级查询 + 新增-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="keywordQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="success" @click="onsale">上架</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="warning" @click="offsale">下架</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表：列表数据 + 编辑 + 删除-->
    <!--
      :data="products"  - 列表数据 - 数组
      highlight-current-row - 当前行高亮
      v-loading="listLoading" - 加载框/忙等框
      @selection-change="selsChange" - 选项改变时触发
      style="width: 100%;" - 宽度
      :row-key="getRowKey"
      在使用 reserve-selection 功能与显示树形数据时，该属性是必填的
    -->
    <el-table :data="products" highlight-current-row :row-key="getRowKey"
              v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" :reserve-selection="true" width="55">
      </el-table-column>
      <el-table-column type="index" width="40">
      </el-table-column>
      <el-table-column prop="name" label="项目名称" width="120">
      </el-table-column>
      <el-table-column prop="costprice" label="成本价" width="120">
      </el-table-column>
      <el-table-column prop="saleprice" label="售价" width="120">
      </el-table-column>
      <el-table-column prop="salecount" label="销量" width="120">
      </el-table-column>
      <el-table-column label="状态" width="100">
        <template scope="scope">
          <span v-if="scope.row.state==1" style="color: green">上架</span>
          <span v-else style="color: red">下架</span>
        </template>
      </el-table-column>
      <el-table-column prop="offsaletime" label="下架时间" width="120">
      </el-table-column>
      <el-table-column prop="onsaletime" label="上架时间" width="120">
      </el-table-column>
      <el-table-column prop="createtime" label="创建时间" width="120">
      </el-table-column>
      <el-table-column label="操作">
        <template scope="scope">
          <el-button size="small" @click="handleSave(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条：批量删除 + 分页栏-->
    <!--
      :disabled="this.sels.length===0"
     @click="batchRemove"
     -->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :page-size="pageSize" :current-page="currentPage" :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--添加或修改的对话框-->
    <!--
      :visible.sync="saveFormVisible" - 控制对话框是否显示，默认false不显示，点击按钮
      :close-on-click-modal="false" - 点击对话框外面不关闭
      label-width="80px" - 标题宽度
      :rules="saveFormRules" - 表单项验证
      ref="saveForm" - 表单验证 - 当前对话框的名称
     -->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="项目名称" prop="name">
          <el-input v-model="saveForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="成本价">
          <el-input v-model="saveForm.costprice" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="售价">
          <el-input v-model="saveForm.saleprice" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="销量">
          <el-input v-model="saveForm.salecount" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="宠物资源">
          <el-upload
              class="upload-demo"
              action="http://localhost:8080/fastDfs"
              :on-remove="handleRemove"
              :on-success="handleSuccess"
              :file-list="fileList"
              list-type="picture">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
          </el-upload>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio class="radio" :label="1">上架</el-radio>
            <el-radio class="radio" :label="0">下架</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="购买须知" prop="orderNotice" >
          <quill-editor  v-model="saveForm.productDetail.orderNotice" v-if="saveForm.productDetail" :options="quillOption">
          </quill-editor>
        </el-form-item>
        <el-form-item label="简介" prop="intro">
          <!-- v-if="saveForm.productDetail" 修改v-model绑定对象报错问题，v-if对需要显示的数据判断下 -->
          <quill-editor  v-model="saveForm.productDetail.intro" v-if="saveForm.productDetail" :options="quillOption">
          </quill-editor>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
//引入Vue的ueditor的资源
import { quillEditor } from "vue-quill-editor"; //调用编辑器
import 'quill/dist/quill.core.css';
import 'quill/dist/quill.snow.css';
import 'quill/dist/quill.bubble.css';
import quillConfig from '../../common/js/quill-config';
export default {
  components: {
    quillEditor
  },
  data() {
    return {
      quillOption: quillConfig,
      //1.分页查询的模型数据
      products: [],      //列表数据，回调函数中给它赋值
      listLoading: false,   //加载框
      currentPage: 1,       //当前页
      pageSize: 5,          //每页显示的条数
      totals: 0,            //总数量

      //2.高级查询
      keyword: '',

      //3.批量删除
      sels: [],//列表选中列

      //4.添加和修改的数据
      saveFormVisible: false,//编辑界面是否显示
      title: "",
      saveLoading: false,
      //表单项规则
      saveFormRules: {
        name: [
          {required: true, message: '项目名称', trigger: 'blur'}
        ],
      },
      //对话框的数据
      saveForm: {
        id: null,
        name: '',
        costprice: 0,
        saleprice: 0,
        salecount:0,
        resources: '',
        state: 1,
        productDetail:{  //与后端实体类一致
          orderNotice: '',
          intro: ''
        }
      },

      //文件上传列表 - 资源resources
      fileList:[],
    }
  },
  methods: {
    //1.分页查询 - 获取部门列表
    getProducts() {
      //组装参数
      let paras = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.keyword
      };
      //显示加载框
      this.listLoading = true;
      //使用axios发送分页请求
      this.$http.post("/product", paras).then(res => {
        this.products = res.data.rows;//显示分页数据
        this.totals = res.data.totals;//计算分页栏
        this.listLoading = false;
      }).catch(res => {
        this.$message.error("系统繁忙，请稍后重试!!!");
      })
    },

    //2.分页查询 - 点击分页栏触发方法
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getProducts();
    },

    //3.高级查询
    keywordQuery() {
      //将当前页置为1，防止出现查询错误
      this.currentPage = 1;
      this.getProducts();
    },

    //4.删除
    handleDel: function (index, row) {
      //确认框
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => { //点击确定走这里
        this.listLoading = true; //显示加载框
        this.$http.delete("/product/" + row.id).then(res => {
          //成功之后的处理
          if (res.data.success) {
            //计算总页数 = 最后一页
            let totalPage = Math.ceil(this.totals / this.pageSize)
            //如果当前页是最后一页(总页数)，而且是最后一条数据，并且不是第一页，让当前页=当前页-1
            /* if(this.currentPage==totalPage && (this.totals-1)%this.pageSize==0 && this.currentPage!=1){
               this.currentPage = this.currentPage - 1;
             }*/
            if (this.products.length == 1 && this.currentPage != 1) {
              this.currentPage = this.currentPage - 1;
            }

            this.getProducts();
          } else {
            this.$message.error("系统繁忙，请稍后重试!!!【500】");
          }
          this.listLoading = false; //关闭加载框
        }).catch(res => {
          this.$message.error("系统繁忙，请稍后重试!!!【400,404】");
        })
      }).catch(() => { //点击取消
        //alert("我闹着玩的")
      });
    },

    //5.选项改变的时候触发：参数时每一个选中的对象
    selsChange: function (sels) {
      this.sels = sels;
    },

    //6.批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);//数组 [1,3,5]
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => { //点击确定走这里
        this.listLoading = true;
        this.$http.patch("/product", ids).then(res => {
          if (res.data.success) {
            this.currentPage = 1;
            this.getProducts();
          } else {
            this.$message.error("系统繁忙【500】")
          }
          this.listLoading = false;
        }).catch(res => {
          this.$message.error("系统繁忙【400，404】")
        })
      }).catch(() => {
      });
    },

    //7.点击编辑弹出对话框
    handleSave: function (index, row) {
      this.title = "编辑";
      //克隆：不然修改对话框的数据影响到列表的数据
      this.saveForm = Object.assign({}, row);

      //点击修改，回显上传过的图片
      //清空已经上传的图片，防止重复
      this.fileList = [];
      //将图片地址用逗号分割，放进数组
      if(this.saveForm.resources){
        let arr = this.saveForm.resources.split(",");
        for(var i = 0;i<arr.length;i++){
          this.fileList.push({"url":"http://123.207.27.208"+arr[i]})
        }
      }

      this.saveFormVisible = true;
    },
    //8.点击新增按钮弹出对话框
    handleAdd: function () {
      this.title = "新增";
      this.saveForm.resources = '';
      this.saveForm = {
        id: null,
        name: '',
        costprice: 0,
        saleprice: 0,
        resources: '',
        salecount: 0,
        state: 0,
        productDetail:{  //与后端实体类一致
          orderNotice: '',
          intro: ''
        }
      };
      //弹出对话框
      this.saveFormVisible = true;
    },

    //12.图片上传成功之后的方法
    handleSuccess(response, file, fileList){
      //1.处理resources - 进行数据库操作
      //a.获取之前的资源
      let resources = this.saveForm.resources; //添加'' ,修改可能有值
      if(resources){
        this.saveForm.resources = resources + "," + response.resultObj;
      }else{
        // /group1/M00/01/B0/CgAIC2MdsaSAVKcaAAFHUm1b1JI875.png
        this.saveForm.resources = response.resultObj;
      }

      //2.处理fileList - 显示图片
      this.fileList = [];  //防止重复添加
      if(this.saveForm.resources){
        let arr = this.saveForm.resources.split(",");
        for(var i = 0;i<arr.length;i++){
          this.fileList.push({"url":"http://123.207.27.208"+arr[i]})
        }
      }
    },

    //12.点击删除图片时触发的方法
    handleRemove(file, fileList){
      //1.调用后端接口删除文件服务器中的图片
      console.log(file);

      //获取/group后面的图片路径，不进行截取的话会导致删除的图片不成功
      var filePath =file.url.substring(file.url.indexOf("/group"));
      this.$http.delete("/fastDfs?path="+filePath).then(res=>{
        if(res.data.success){
          this.$message.success('删除成功!');
        }else{
          this.$message.error('删除失败!');
        }
      })

      //2.处理resources - 进行数据库操作
      //将group后面的地址用逗号隔开，并进行拼接
      if(this.saveForm.resources){
        let arr = this.saveForm.resources.split(",");
        for(var i = 0;i<arr.length;i++){
          //找到删除的图片
          if(filePath == arr[i]){
            //从第i个开始，删除一张图片
            arr.splice(i,1);
            break;
          }
        }
        this.saveForm.resources = arr.join(",");
      }

      //3.处理fileList - 显示图片
      this.fileList = [];  //防止重复添加
      if(this.saveForm.resources){
        let arr = this.saveForm.resources.split(",");
        for(var i = 0;i<arr.length;i++){
          this.fileList.push({"url":"http://123.207.27.208"+arr[i]})
        }
      }
    },

    //宠物上架
    onsale(){
      //没有选中要上架的宠物
      if (this.sels.length == 0){
        this.$message.error("请选中之后在进行上架操作")
        return;
      }
      this.$confirm('是否确认上架？','提示',{}).then(() => {
          //取出id，放进数组中
          let ids = this.sels.map(obj => obj.id);
          //发送Axios请求，调用后端接口
          this.$http.post("/product/onsale",ids).then(res =>{
          //上架成功
          if (res.data.success){
            this.getProducts();
          }else {
            this.$message.error("上架失败")
          }
        }).catch(res =>{
          this.$message.error("系统繁忙，请稍后重试!!!【400,404】")
        })
      });
    },

    //下架
    //宠物上架
    offsale(){
      //没有选中要上架的宠物
      if (this.sels.length == 0){
        this.$message.error("请选中之后在进行上架操作")
        return;
      }
      this.$confirm('是否确认下架？','提示',{})
          .then(() => {
            //取出id，放进数组中
            let ids = this.sels.map(obj => obj.id);
            //发送Axios请求，调用后端接口
            this.$http.post("/product/offsale",ids)
                .then(res =>{
                  //上架成功
                  if (res.data.success){
                    this.getProducts();
                  }else {
                    this.$message.error("下架失败")
                  }
                })
                .catch(res =>{
                  this.$message.error("系统繁忙，请稍后重试!!!【400,404】")
                })
          });
    },

    //9.点击添加和修改对话框的提交按钮提交数据
    saveSubmit: function () {
      //表单验证：只要有一个表单项验证不通过就会返回false，全部通过才会返回true
      this.$refs.saveForm.validate((valid) => {  //ref="saveForm"
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.saveLoading = true;
            this.$http.put("/product", this.saveForm)
                .then(res => {
                  if (res.data.success) {
                    this.getProducts();
                  } else {
                    this.$message.error("系统繁忙【500】")
                  }
                  this.saveLoading = false;
                }).catch(res => {
              this.$message.error("系统繁忙【400，404】")
              this.saveLoading = false;
            })
            //关闭对话框
            this.saveFormVisible = false;
          });
        }
      });
    },

    //仅仅是用来区分每一个对象的唯一标识
    getRowKey(row) {
      return row.id;
      //return row.sn;//同上
    }
  },
  mounted() {
    this.getProducts();
  }
}

</script>

<style scoped>

</style>